From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 26576CCFA1A for ; Tue, 11 Nov 2025 10:51:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6B80F10E54F; Tue, 11 Nov 2025 10:51:37 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=airkyi.com header.i=@airkyi.com header.b="CnR6Njr5"; dkim-atps=neutral Received: from smtpbgsg2.qq.com (smtpbgsg2.qq.com [54.254.200.128]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5E01B10E554 for ; Tue, 11 Nov 2025 10:51:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1762858283; bh=OWq3Ijzm5puFxMiJhAvdmtx+0UY8U1fFY3/NshKxkPE=; h=From:To:Subject:Date:Message-Id; b=CnR6Njr5pfe40S27+asgHSxiFrERG3aCsIax5L0llnSppoMEEi/esB1i4/5ozA1kl vhsx4kMBmN+T+5ynWVPCOR/gMA2xolyNgTApE5C7iG5TnwXsdlkc34frvwElz2APnv Ga0cneodv5J+4IIUgRIAJ8MOHNwIJGAVR/O2gKeA= X-QQ-mid: zesmtpsz9t1762858274t6e3b4120 X-QQ-Originating-IP: 1slQcncYtee985S5MZrVUhNCU3D2mTKl7D9nmZmqz0Q= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 11 Nov 2025 18:51:11 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 7739212322103543834 From: Chaoyi Chen To: Heikki Krogerus , Greg Kroah-Hartman , Dmitry Baryshkov , Peter Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Chaoyi Chen , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org Subject: [PATCH v9 06/10] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge Date: Tue, 11 Nov 2025 18:50:36 +0800 Message-Id: <20251111105040.94-7-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251111105040.94-1-kernel@airkyi.com> References: <20251111105040.94-1-kernel@airkyi.com> X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:airkyi.com:qybglogicsvrgz:qybglogicsvrgz6b-0 X-QQ-XMAILINFO: NeBxFDL7PcixTzGf6XgpWeWZ74VIpSQRbb+l6vwsrhOXY+lDOnaSvbrA o0dSOEIeUV76MnAOJE2GpQGCLWQ0ueOAl+JUcL1zOmQ+pavAf2ilXxzno3RsoRUKo6mTmVa e6ur/AgbsBbXZ7bW2TvTVqxKwde7bNMhk7d2yoxQaWQvupIwUftON1RHepvsi9BD7jr3HEi 7nNw8gPcSQgFdHH8a4WvVRvrIZafLOHViCYQUWKdYY80xXtQkuVBHGnNw3bJltZWEpeeeCd Nvzrrem4TkYwUcJucFZAJYb5gBx2fUPnsaQwTyslTCFUpdeIHj27A4VvFWGDDuYCLDvopW4 zs0PvpQ9F3s/4G3Tro0e9DJK0FOaIpQaUDxmtQBnWB6posMpMSboqHetQE/L1RG3/DPXU39 KNXVjmneNVQY1+yNZVmQjpYRmsAwWmbgm+TrFg7AQbHxAVCxbyIXmXnfUTQ3J6Tq1OyZXN7 ikLTiAu5qKdi6J9bS0DEUfpxaenRDkOtJ0m99G5b/dvWYxAPiNczlfVCYj6mRnQcuqDraky iWTasTBunnfOK696SEPlq8HyAuzORHTyJrRhwnEgVPVaNBW31VyvbHVtDkcLGwNUzJ4tDYQ aCicdcqHg8fchQ027qtNYGe4IeKCuxH7ZhyzR7Vzw3ZZeygju/Yug0W4b55BKmkvp1ohyjp naVbCPqb2TNvc1lveaKZOF7oVk7F84et9D7xKIw/vcRNb/7uT/WMTWf0zsObHbAd0dHGDG5 ZSkvfo+4aQTHDDn+ZmpmaTz949l3/cLREl0UM2VnLS+ieZOqvk+WCcTJS6mvsXUPyluQw04 MQxnRv1CY6BG2kgMAjGvVgIeVd64Q1ZN34X7LNcjhneSOFy8+iXI327w1lVzj90ZM8Iwa82 BU9fKscaFBYC7c2C7lxravH5FYLrc+brxthGhU9gUw78Cib7J0vRW4qaSag7YD+oe0TSYdL Zo9E0iNi9IcOdcqfFJz71+mTMo7/WzLs7Pg0OitqqP2pESgLBJejpV5JsL6Zc3OyTAJuqvm LmeNfHnzwAIcs4hy6gohz2yPOX0+ct8QPQz6loyBzHjbol/gDr X-QQ-XMRINFO: OD9hHCdaPRBwq3WW+NvGbIU= X-QQ-RECHKSPAM: 0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Chaoyi Chen Using the DRM_AUX_BRIDGE helper to create the transparent DRM bridge device. Signed-off-by: Chaoyi Chen --- (no changes since v7) Changes in v6: - Fix depend in Kconfig. drivers/phy/rockchip/Kconfig | 2 + drivers/phy/rockchip/phy-rockchip-typec.c | 52 +++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/drivers/phy/rockchip/Kconfig b/drivers/phy/rockchip/Kconfig index db4adc7c53da..bcb5476222fc 100644 --- a/drivers/phy/rockchip/Kconfig +++ b/drivers/phy/rockchip/Kconfig @@ -120,6 +120,8 @@ config PHY_ROCKCHIP_TYPEC tristate "Rockchip TYPEC PHY Driver" depends on OF && (ARCH_ROCKCHIP || COMPILE_TEST) depends on TYPEC || TYPEC=n + depends on DRM || DRM=n + select DRM_AUX_BRIDGE if DRM_BRIDGE select EXTCON select GENERIC_PHY select RESET_CONTROLLER diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c index 1f5b4142cbe4..748a6eb8ad95 100644 --- a/drivers/phy/rockchip/phy-rockchip-typec.c +++ b/drivers/phy/rockchip/phy-rockchip-typec.c @@ -36,6 +36,7 @@ * orientation, false is normal orientation. */ +#include #include #include #include @@ -56,6 +57,7 @@ #include #include #include +#include #define CMN_SSM_BANDGAP (0x21 << 2) #define CMN_SSM_BIAS (0x22 << 2) @@ -415,6 +417,7 @@ struct rockchip_usb3phy_port_cfg { struct rockchip_typec_phy { struct device *dev; + struct auxiliary_device dp_port_dev; void __iomem *base; struct extcon_dev *extcon; struct typec_mux_dev *mux; @@ -1299,6 +1302,51 @@ static void tcphy_typec_mux_unregister(void *data) typec_mux_unregister(tcphy->mux); } +static void tcphy_dp_port_dev_release(struct device *dev) +{ + struct auxiliary_device *adev = to_auxiliary_dev(dev); + + of_node_put(adev->dev.of_node); +} + +static void tcphy_dp_port_unregister_adev(void *_adev) +{ + struct auxiliary_device *adev = _adev; + + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); +} + +static int tcphy_aux_bridge_register(struct rockchip_typec_phy *tcphy, struct device_node *np) +{ + struct auxiliary_device *adev = &tcphy->dp_port_dev; + int ret; + + adev->name = "dp_port"; + adev->dev.parent = tcphy->dev; + adev->dev.of_node = of_node_get(np); + adev->dev.release = tcphy_dp_port_dev_release; + + ret = auxiliary_device_init(adev); + + if (ret) { + of_node_put(adev->dev.of_node); + return ret; + } + + ret = auxiliary_device_add(adev); + if (ret) { + auxiliary_device_uninit(adev); + return ret; + } + + devm_add_action_or_reset(tcphy->dev, tcphy_dp_port_unregister_adev, adev); + + ret = drm_aux_bridge_register(&adev->dev); + + return 0; +} + static int tcphy_setup_typec_mux(struct rockchip_typec_phy *tcphy) { struct typec_mux_desc mux_desc = {}; @@ -1312,6 +1360,10 @@ static int tcphy_setup_typec_mux(struct rockchip_typec_phy *tcphy) if (!of_property_read_bool(np, "mode-switch")) goto put_np; + ret = tcphy_aux_bridge_register(tcphy, np); + if (ret) + goto put_np; + mux_desc.drvdata = tcphy; mux_desc.fwnode = device_get_named_child_node(tcphy->dev, "dp-port"); mux_desc.set = tcphy_typec_mux_set; -- 2.51.1